Re: [PATCH v2 0/2] KVM: x86: avoid simultaneous queueing of both IRQ and SMI

From	Radim Krčmář <rkrcmar@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 0/2] KVM: x86: avoid simultaneous queueing of both IRQ and SMI
Date	2016-06-02 16:20 +0200
Message-ID	<rFBDz-6Xf-3@gated-at.bofh.it> (permalink)
References	<rFkW6-4N6-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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2016-06-01 22:25+0200, Paolo Bonzini:
> This was reported as a vmentry failure while running Windows with SMM
> enabled.  It's not that rare if your processor lacks APICv---it happens
> about 20-30% of the time while installing Windows 10.
> 
> I now understand the interrupt injection code (especially
> complete_interrupts) better, and I also understand why the shortcut I took
> in SMI handling was a bad idea.  In the end the code is somewhat simpler
> with the patch applied than before.
> 
> The bug report is at https://github.com/tianocore/edk2/issues/91, but it
> also fixes other Windows failures that Laszlo had reported to me privately.

Applied, thanks.

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[PATCH v2 0/2] KVM: x86: avoid simultaneous queueing of both IRQ and SMI Paolo Bonzini <pbonzini@redhat.com> - 2016-06-01 22:30 +0200
  [PATCH v2 2/2] KVM: x86: rename process_smi to enter_smm, process_smi_request to process_smi Paolo Bonzini <pbonzini@redhat.com> - 2016-06-01 22:30 +0200
  Re: [PATCH v2 0/2] KVM: x86: avoid simultaneous queueing of both IRQ  and SMI Radim Krčmář <rkrcmar@redhat.com> - 2016-06-02 16:20 +0200

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